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authorErlang/OTP <[email protected]>2014-06-19 13:47:21 +0200
committerErlang/OTP <[email protected]>2014-06-19 13:47:21 +0200
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</header>
<p>This document describes the changes made to the ERTS application.</p>
+<section><title>Erts 6.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>The documentation for <c>spawn_opt/5</c> now has a
+ note mentioning that the <c>monitor</c> option is not
+ supported.</p>
+ <p>
+ Own Id: OTP-11849</p>
+ </item>
+ <item>
+ <p>
+ Fix broken system monitoring of <c>large_heap</c> for
+ non-smp VM. No message for <c>large_heap</c> was ever
+ sent on non-smp VM. Bug exist since R16B.</p>
+ <p>
+ Own Id: OTP-11852</p>
+ </item>
+ <item>
+ <p>
+ The emulator without SMP support crashed when passing a
+ message to a process without enough heap space for the
+ message. This bug was introduced in <c>erts-6.0</c>.</p>
+ <p>
+ Own Id: OTP-11887 Aux Id: OTP-11388 </p>
+ </item>
+ <item>
+ <p>
+ Fix race between ETS table deletion and unfixation that
+ could cause VM crash. The race could happen between a
+ terminating process that does not own the table but has a
+ fixation on it and another process that deletes the table
+ (maybe the owner terminating) at the same time. Bug
+ existed since R15B02.</p>
+ <p>
+ Own Id: OTP-11892</p>
+ </item>
+ <item>
+ <p>The string following the <c>-eval</c> option when
+ invoking <c>erl</c> would not be properly translated from
+ UTF-8 to a list of Unicode characters (as would the
+ arguments for <c>-run</c>).</p>
+ <p>That bug would cause the build of Erlang/OTP to fail
+ when building in a directory whose pathname contained
+ non-US ASCII characters encoded in UTF-8. (Thanks to Eric
+ Pailleau for reporting this bug.)</p>
+ <p>
+ Own Id: OTP-11916</p>
+ </item>
+ <item>
+ <p>
+ Fix erts_debug:size/1 to handle Map sizes</p>
+ <p>
+ Own Id: OTP-11923</p>
+ </item>
+ <item>
+ <p>
+ Removed <c>erlang:bitstr_to_list/1</c> and
+ <c>erlang:list_to_bitstr/1</c>. They were added by
+ mistake, and have always raised an <c>undefined</c>
+ exception when called.</p>
+ <p>
+ Own Id: OTP-11942</p>
+ </item>
+ <item>
+ <p>
+ Fixed compilation using mingw-w64 on Windows.</p>
+ <p>
+ Thanks to Jani Hakala.</p>
+ <p>
+ Own Id: OTP-11945</p>
+ </item>
+ <item>
+ <p>
+ The git sha is no longer printed in the shell start
+ header when erlang is built from a tagged git release.</p>
+ <p>
+ Own Id: OTP-11961</p>
+ </item>
+ <item>
+ <p>
+ Fixed a bug where <c>send</c> trace events were
+ erroneously dropped when the send was done to a
+ registered process. This bug was introduced in R16B.</p>
+ <p>
+ Own Id: OTP-11968</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>The following native functions now bump an appropriate
+ amount of reductions and yield when out of
+ reductions:</p> <list>
+ <item><c>erlang:binary_to_list/1</c></item>
+ <item><c>erlang:binary_to_list/3</c></item>
+ <item><c>erlang:bitstring_to_list/1</c></item>
+ <item><c>erlang:list_to_binary/1</c></item>
+ <item><c>erlang:iolist_to_binary/1</c></item>
+ <item><c>erlang:list_to_bitstring/1</c></item>
+ <item><c>binary:list_to_bin/1</c></item> </list>
+ <p>Characteristics impact:</p> <taglist>
+ <tag>Performance</tag> <item>The functions converting
+ from lists got a performance loss for very small lists,
+ and a performance gain for very large lists.</item>
+ <tag>Priority</tag> <item>Previously a process executing
+ one of these functions effectively got an unfair priority
+ boost. This priority boost depended on the input size.
+ The larger the input was, the larger the priority boost
+ got. This unfair priority boost is now lost. </item>
+ </taglist>
+ <p>
+ Own Id: OTP-11888</p>
+ </item>
+ <item>
+ <p>
+ The systemd features of epmd have been removed from epmd
+ by default. To enable them you have to build erlang with
+ the configure option --enable-systemd.</p>
+ <p>
+ Own Id: OTP-11921</p>
+ </item>
+ <item>
+ <p>
+ Removed Erlang wrapper code used when calling
+ <c>binary_to_term/1</c>, and <c>binary_to_term/2</c>.
+ This improves the performance of these BIFs especially
+ when they are called with small binaries as input.</p>
+ <p>
+ Own Id: OTP-11931</p>
+ </item>
+ <item>
+ <p>
+ Add erlang:system_info(tolerant_timeofday), an API to
+ check whether compensation for sudden changes of system
+ time is enabled or not.</p>
+ <p>
+ Own Id: OTP-11970</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Erts 6.0.1</title>
<section><title>Fixed Bugs and Malfunctions</title>